Southwestern Grand Banks
Forecast
Marine Forecast
Issued 08:00 PM NDT 19 April 2025
Tonight and Sunday.
Gale warning in effect.
Wind southwest 25 knots increasing to southwest 35 near midnight. Wind southwest 35 Sunday.
Rain and fog banks.
Waves
Issued 06:00 PM NDT 19 April 2025
Tonight and Sunday.
Seas 1 to 2 metres building to 2 to 3 this evening and to 3 to 5
late overnight.
Extended Forecast
Issued 03:30 PM NDT 19 April 2025
Monday
Wind west 35 to 45 knots.
Tuesday
Wind northwest 35 knots diminishing to
northwest 25.
Wednesday
Wind northwest 15 to 20 knots diminishing to
light.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Southwestern Grand Banks
Issued 10:00 AM EDT 19 April 2025 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 4915N 5328W to 5100N 4815Wto 5526N 5139W to 5701N 5617W to 6200N 6111W then northeastward. Sea
ice north then west of the ice edge.
Ice Coverage
Bergy water.
Ice Forecasts
Tail of the Grand Banks
Issued 10:00 AM EDT 19 April 2025 Today Tonight and SundayIce Edge
Ice edge estimated from Newfoundland near 4915N 5328W to 5100N 4815Wto 5526N 5139W to 5701N 5617W to 6200N 6111W then northeastward. Sea
ice north then west of the ice edge.
Ice Coverage
Forecasts available to mariners upon request.
Iceberg Bulletin
Southwestern Grand Banks
Issued 2:30 PM EDT 19 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 20 Apr estimated from Newfoundland near4731N 5444W to 4125N 5145W to 4155N 4755W to 4700N 3720W to 5350N
4430W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.
Western iceberg limit at 0000 UTC 20 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
No confirmed icebergs except less than 10 icebergs northwest of theiceberg limit.
Iceberg Bulletin
Tail of the Grand Banks
Issued 2:30 PM EDT 19 April 2025Iceberg Limit
Iceberg limit at 0000 UTC 20 Apr estimated from Newfoundland near4731N 5444W to 4125N 5145W to 4155N 4755W to 4700N 3720W to 5350N
4430W to 5915N 5605W to 6035N 5500W to 5900N 4930W then eastwards.
Western iceberg limit at 0000 UTC 20 Apr estimated from Quebec near
5020N 6115W to Newfoundland near 4805N 5845W.
Iceberg Count
Forecasts available to mariners upon request.Warnings
Warnings (In effect)
Gale warning in effect
Southwestern Grand Banks
Issued 8:00 PM NDT 19 April 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM NDT 19 April 2025 Tonight and Sunday At 3:00 a.m. NDT Sunday low 999 mb located over western Labrador.By 8:00 p.m. NDT Sunday low 984 mb located over central
Newfoundland.
At 8:00 p.m. NDT tonight dissipating low 1004 mb located over
Labrador Sea.
At 8:00 p.m. NDT tonight departing ridge located east of the
Marine District.
Marine Weather Statement
Issued 7:57 PM NDT 19 April 2025 A low pressure system will approach the marine district on Sunday tolie over the west coast of Newfoundland by Sunday afternoon. Strong
to gale force west to southwesterlies will develop south of the low
tonight and Sunday. Strong to gale force northeast to northwesterly
winds are expected to develop to the north and west of the low late
in the day on Sunday.
Marine interests are advised that gale warnings are in effect for
Strait of Belle Isle, Gulf waters, Southwest Coast, South Coast, and
the Grand Banks.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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